The low-frequency solar corona in circular polarization
We present spectropolarimetric imaging observations of the solar corona at low frequencies
(80–240 MHz) using the Murchison Widefield Array (MWA). These images are the first of …
(80–240 MHz) using the Murchison Widefield Array (MWA). These images are the first of …
An estimate of the magnetic field strength associated with a solar coronal mass ejection from low frequency radio observations
We report ground based, low frequency heliograph (80 MHz), spectral (85–35 MHz), and
polarimeter (80 and 40 MHz) observations of drifting, non-thermal radio continuum …
polarimeter (80 and 40 MHz) observations of drifting, non-thermal radio continuum …
Strength of the solar coronal magnetic field–a comparison of independent estimates using contemporaneous radio and white-light observations
We estimated the coronal magnetic field strength (BB) during the 23 July 2016 coronal mass
ejection (CME) event using i) the flux rope structure of the CME in the white-light …
ejection (CME) event using i) the flux rope structure of the CME in the white-light …
New evidence for a coronal mass ejection-driven high frequency type II burst near the Sun
We report observations of the high frequency type II radio burst (≈ 430–30 MHz) that
occurred in the solar corona on 2015 November 4. The drift rate of the burst, estimated close …
occurred in the solar corona on 2015 November 4. The drift rate of the burst, estimated close …
Low-frequency radio observations of picoflare category energy releases in the solar atmosphere
We report low-frequency (80 MHz) radio observations of circularly polarized non-thermal
type I radio bursts (" noise storms") in the solar corona whose estimated energy is∼ 10 21 …
type I radio bursts (" noise storms") in the solar corona whose estimated energy is∼ 10 21 …
Gauribidanur low-frequency solar spectrograph
A new radio spectrograph, dedicated to observe the Sun, has been recently commissioned
by the Indian Institute of Astrophysics (IIA) at the Gauribidanur Radio Observatory, about 100 …
by the Indian Institute of Astrophysics (IIA) at the Gauribidanur Radio Observatory, about 100 …
Circular Polarization Observations of Type II Solar Radio Bursts and the Coronal Magnetic Field
R Ramesh, C Kathiravan… - The Astrophysical …, 2022 - iopscience.iop.org
It is well known that magnetic field strength (B) in the solar corona can be calculated using
the Alfvén Mach number (MA) and Alfvén speed (v A) of the magnetohydrodynamic shock …
the Alfvén Mach number (MA) and Alfvén speed (v A) of the magnetohydrodynamic shock …
Direct estimates of the solar coronal magnetic field using contemporaneous extreme-ultraviolet, radio, and white-light observations
We report a solar coronal split-band type II radio burst that was observed on 2016 March 16
with the Gauribidanur Radio Spectro-Polarimeter in the frequency range≈ 90–50 MHz, and …
with the Gauribidanur Radio Spectro-Polarimeter in the frequency range≈ 90–50 MHz, and …
Solar type IIIb radio bursts as tracers for electron density fluctuations in the corona
V Mugundhan, K Hariharan, R Ramesh - Solar Physics, 2017 - Springer
We present an estimation of the electron density modulation index (δ N e N e δN_eN_e) for
the first time using solar type IIIb radio burst observations. The mean value of δ N e N e …
the first time using solar type IIIb radio burst observations. The mean value of δ N e N e …
Low-frequency observations of transient quasi-periodic radio emission from the solar atmosphere
We report low-frequency observations of quasi-periodic, circularly polarized, harmonic type
III radio bursts whose associated sunspot active regions were located close to the solar limb …
III radio bursts whose associated sunspot active regions were located close to the solar limb …